How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/11100.0*Chance in playoffs100.0*Average seed
fredmorton 105.84 legomaheggoz 123.66 -2.1
-0.3
GordieLaChance 121.72 BohPoe 128.3 +0.5
If winner is:HomeAway
Week of 10/18100.0*Chance in playoffs100.0*Average seed
GordieLaChance vs Hmishima-2.0+1.3
-0.1+0.1
fredmorton vs omersingh+2.1-0.8
+0.4-0.1
sportsfan786 vs jaradyeah-0.2+0.1

What If

Chances based on how well the fredmorton finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
118-0In792170,465
107-1In1353321621,019
96-2In0105535002,255,600
85-3100.0%00178300004,146,327
74-499.302970010004,155,557
63-592.60920024102,334,591
52-670.1070011114300729,776
41-731.23104243560117,692
30-81.820225551610,781
Total:96.4%1415760011100014,441,808
Games Above .500
Chance Will Make Playoffs